T4 Total

Test Code
T4Tot


Alias/See Also
T4|THYROXINE|T4TOT


Preferred Specimen
SERUM


Minimum Volume
1


Instructions
Draw blood in a serum gel tube. Spin down and send 1 mL of serum.


Transport Container
SST


Transport Temperature
Room Temperature


Setup Schedule
Monday through Sunday


Reference Range
Both Genders, Age Range 2 Hours - 5 Days, Normal 12.00-21.00 mcg/dL
Both Genders, Age Range 3-12 Months, Normal 4.00-12.00 mcg/dL
Both Genders, Age Range 6 Days - 2 Months, Normal 4.00-16.00 mcg/dL
Male Gender, Age Range 13 Months - 999 Yeasr, Normal 4.50-12.10 mcg/dL
Female Gender, Age Range 13 Months - 999 Years, Normal 4.80-13.90 mcg/dL
Both Genders, Age Range 0-1 Hours, Normal 7.00-15.00 mcg/dL


Performed By
LabFirst



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.